Laowa 6mm T2.1 Zero-d Mft Cine is a breakthrough new optic design that is the widest rectilinear Mft lens with Zero-d.Micro Four Thirds users can enjoy an impressive 121.9 Degree ultra-wide angle of view for a broad shooting range. The T2.1 aperture is useful in low light conditions for obtaining sharp and outstanding images. It also features an extremely close focusing distance of 9cm / 3.54"". (From subject to the sensor). It is very light and compact, with only 180g /6.35oz, which can be used on drones. A screw-in filter in 58mm is also allowed for compact settings..